Low preconception body mass index is associated with birth outcome in a prospective cohort of Chinese women

Ronnenberg AG, Wang X, Xing H, Chen C, Chen D, Guang W, Guang A, Wang L, Ryan L, Xu X. Low preconception body mass index is associated with birth outcome in a prospective cohort of Chinese women. J Nutr. 2003; 133(11): 3449-55.